OT-2026-000012813
Publication integrity record
Single cup vacuum gripper, two stage ejector, pulsed blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000012813) never changes.
Identity and time
| Publication number | OT-2026-000012813 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-5563-7477-886d-ef80c195b259 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:16.019734Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012813 |
| Status | PUBLIC |
Content hashes
| Canonical text | 63c6cf5a71fb5d9d82a9aff3e66894ae818b0af8b57be1a4cecaf2cc5c7594bd |
|---|---|
| Markdown | 089cb149a3a55e95605027f5f2c001a3916588e2896687a7f3bdec5b46c1fc86 |
| Publication page | a6702a6aaa55cc3bee713a281e44881ef0a1e5e2cd4e8f81401903c7ace205b0 |
| Manifest | b4649b0ab7be7e256fe5dd30eb0a9cbe21a440c15199fa58a25fb3752839d75e |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | dERSJPK4MhfhER3tB1V5FCrI1V24Ku9/+z0QRwSUDJvLmG85eACPyuiWHxXG4wjbl3oGONeXlxQgV5c7cfCnDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T12:10:32.687011Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012813observed a6702a6aaa55cc3bee713a281e44881e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:10:32.669610Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012813/manifest.jsonobserved b4649b0ab7be7e256fe5dd30eb0a9cbe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:32.649911Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012813/publication.mdobserved 089cb149a3a55e95605027f5f2c001a3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:32.631696Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012813/publication.txtobserved 63c6cf5a71fb5d9d82a9aff3e66894ae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|